Interchangeable plug device



FIG. 1 is a top view of a first embodiment of the present invention;

FIG. 2 is a bottom view of a first embodiment of the present invention;

FIG. 3 is a front view of a first embodiment of the present invention;

FIG. 4 is a rear view of a first embodiment of the present invention;

FIG. 5 is a first side view of a first embodiment of the present invention;

FIG. 6 is a second side view of a first embodiment of the present invention;

FIG. 7 is a first perspective view of a first embodiment of the present invention;

FIG. 8 is a second perspective view of a first embodiment of the present invention;

FIG. 9 is a top view of a fourth embodiment of the present invention;

FIG. 10 is a bottom view of a fourth embodiment of the present invention;

FIG. 11 is a front view of a fourth embodiment of the present invention;

FIG. 12 is a rear view of a fourth embodiment of the present invention;

FIG. 13 is a first side view of a fourth embodiment of the present invention;

FIG. 14 is a second side view of a fourth embodiment of the present invention;

FIG. 15 is a first perspective view of a fourth embodiment of the present invention; and,

FIG. 16 is a second perspective view of a fourth embodiment of the present invention. 

The ornamental design for an interchangeable plug device, as shown and described. 